Rename TAINT_UNSAFE_SMP to TAINT_CPU_OUT_OF_SPEC

Rename TAINT_UNSAFE_SMP to TAINT_CPU_OUT_OF_SPEC, so we can repurpose
the flag to encompass a wider range of pushing the CPU beyond its
warrany.

Signed-off-by: Dave Jones <davej@fedoraproject.org>
Link: http://lkml.kernel.org/r/20140226154949.GA770@redhat.com
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index b85e43a..ce8b8ff 100644 (file)
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -218,7 +218,7 @@ static void amd_k7_smp_check(struct cpuinfo_x86 *c)
         */
        WARN_ONCE(1, "WARNING: This combination of AMD"
                " processors is not suitable for SMP.\n");
-       add_taint(TAINT_UNSAFE_SMP, LOCKDEP_NOW_UNRELIABLE);
+       add_taint(TAINT_CPU_OUT_OF_SPEC, LOCKDEP_NOW_UNRELIABLE);
 }
 
 static void init_amd_k7(struct cpuinfo_x86 *c)

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 196d1ea..08fb024 100644 (file)
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -458,7 +458,7 @@ extern enum system_states {
 
 #define TAINT_PROPRIETARY_MODULE       0
 #define TAINT_FORCED_MODULE            1
-#define TAINT_UNSAFE_SMP               2
+#define TAINT_CPU_OUT_OF_SPEC          2
 #define TAINT_FORCED_RMMOD             3
 #define TAINT_MACHINE_CHECK            4
 #define TAINT_BAD_PAGE                 5

diff --git a/kernel/module.c b/kernel/module.c
index d24fcf2..ca2c1ad 100644 (file)
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1015,7 +1015,7 @@ static size_t module_flags_taint(struct module *mod, char *buf)
                buf[l++] = 'C';
        /*
         * TAINT_FORCED_RMMOD: could be added.
-        * TAINT_UNSAFE_SMP, TAINT_MACHINE_CHECK, TAINT_BAD_PAGE don't
+        * TAINT_CPU_OUT_OF_SPEC, TAINT_MACHINE_CHECK, TAINT_BAD_PAGE don't
         * apply to modules.
         */
        return l;

diff --git a/kernel/panic.c b/kernel/panic.c
index 6d63003..2270cfd 100644 (file)
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -199,7 +199,7 @@ struct tnt {
 static const struct tnt tnts[] = {
        { TAINT_PROPRIETARY_MODULE,     'P', 'G' },
        { TAINT_FORCED_MODULE,          'F', ' ' },
-       { TAINT_UNSAFE_SMP,             'S', ' ' },
+       { TAINT_CPU_OUT_OF_SPEC,        'S', ' ' },
        { TAINT_FORCED_RMMOD,           'R', ' ' },
        { TAINT_MACHINE_CHECK,          'M', ' ' },
        { TAINT_BAD_PAGE,               'B', ' ' },